What is the n-factor / valency factor of H 2 C O 3 ? Options: A . &nbsp 1 B . &nbsp 2 C . &nbsp Either a or b D . &nbsp Neither a nor b

What is the n-factor / valency factor of H2CO3 ?

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Question -

What is the n-factor / valency factor of $H_{2} C O_{3}$ ?

Options:

A . 1

B . 2

C . Either a or b

D . Neither a nor b

Answer: Option C
:
C

In this case of $H_{2} C O_{3}$ valency factor changes depending upon the reaction as the number of $H^{+}$ ions replaced might vary depending on the extent of the reaction.

$H_{2} C O_{3}$ $\to$ $H^{+}$ + ${H C O_{3}}^{-}$ (n-factor =1)

$H_{2} C O_{3}$ $\to$ 2 $H^{+}$ + ${C O_{3}}^{2 -}$ (n-factor = 2)

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